Oyster shucking knife



FIG. 1 is a top plan view of a handle and blade for an oyster shucking knife, wherein the bottom plan view (not shown) is a mirror image of the top plan view FIG. 1 of my design;

FIG. 2 is a right side elevation view, wherein the left side elevation view (not shown) is a mirror image of the right side elevation view FIG. 2;

FIG. 3 is a front elevation view of my design; and,

FIG. 4 is a rear elevation view of my design. 

CLAIM I claim the ornamental design for an oyster shucking knife, as shown and described. 